Theoretically the numerical solution of Poisson's equation or Laplace's equation plus Neumann boundary condition calculated by the boundary integration method is not unique.
使用边界积分方法求解已知第二类边界条件的拉普拉斯方程或泊松方程时，理论上解是不唯一的。
At present, the common numerical methods are finite difference, finite element, boundary element, integration equation and transmission line method.
目前，解决这类问题的数值方法主要有有限差分法、有限元法、边界元法、积分方程法、传输线法等。
The singular integration will affect the precision of the result while the Boundary Element Method (BEM) is used in calculating sound radiation.
边界元法应用于计算辐射声场时，由于奇异积分的存在，会影响到计算结果的精度。
The series method has advantages of easier integration and better accuracy of stresses near boundary.
级数解有容易积分和边界上的应力比较准确的优点。
The other method is to perform the integration by parts only to dispersion term, then introduce the boundary conditions, and finally obtain the variation equation.
另一种处理方法是只对弥散项实施积分变换，应用边界条件，得出变分方程。
The precise integration method of two end boundary conditions is adopted to realize the high-precision numerical solution of the question by means of computer program with MATLAB.
运用两端边值问题的精细积分法，通过MATLAB语言编制计算程序求解出相应问题的高精度数值解。
When considering body-force, free item will be arised in the equation of the boundary element method, causing boundary integration to be changed into nonlinear-integration.
边界元法在考虑体积力时要产生积分自由项，这将使边界积分成为非线性积分，从而引起实施时的困难。
Meanwhile, a new method for computing the boundary integration is proposed in free surface seepage field.
同时对有自由面渗流的自由面边界积分问题，提出了一种新的算法。
Meanwhile, a new method for computing the boundary integration is proposed in free surface seepage field.
同时对有自由面渗流的自由面边界积分问题，提出了一种新的算法。
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